Finding the Fourth Proportional to 146,285.60, 201,954.47 and 91,894.50
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Solution
The fourth proportional to 146,285.60, 201,954.47 and 91,894.50 is: 126,864.88
Step by Step Solution
- Step 1: Write the proportion equation
146,285.60 : 201,954.47 = 91,894.50 : x - Step 2: Convert to fraction form
146,285.60/201,954.47 = 91,894.50/x - Step 3: Cross multiply
146,285.60x = 201,954.47 × 91,894.50 - Step 4: Simplify right side
146,285.60x = 18,558,504,583.94 - Step 5: Solve for x
x = 18,558,504,583.94/146,285.60 - Step 6: Final answer
x = 126,864.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.